1. A group or chain of islands.

2. Any of the world's main continuous expanses of land.

3. A piece of land almost surrounded by water or projecting out into a body of water.

4. The angular distance east or west from the prime meridian, measured in degrees.

4. The angular distance north or south from the equator, measured in degrees.

5. A narrow strip of land with sea on either side, forming a link between two larger areas of land.

6. An imaginary line on the Earth's surface passing through the North and South geographic poles.

7. An imaginary line that divides the Earth into the Northern and Southern Hemispheres.

8. A large body of saltwater partially enclosed by land.

9. A large natural elevation of the Earth's surface rising abruptly from the surrounding level; a steep hill.

10. A deep inlet of the sea, often between two headlands.

11. A pointed piece of land that sticks out into a sea, ocean, lake, or river.

12. Either of the two geographic points on the Earth's surface where the axis of rotation meets the surface.

13. An opening in the Earth's crust from which lava, ash, and gases escape during an eruption.

14. A piece of land surrounded by water.

15. A large area of flat or gently rolling land with few trees.

16. A large area dominated by trees and undergrowth.

17. A very large expanse of sea.

18. The land near the sea; the edge of the land.

19. A triangular tract of sediment deposited at the mouth of a river, typically where it diverges into several outlets.